Merge "Statistics-Manager - Performance Improvement 1) Introduced statistics request...

[controller.git] / opendaylight / netconf / netconf-impl / src / main / java / org / opendaylight / controller / netconf / impl / NetconfServerSessionNegotiatorFactory.java

diff --git a/opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/NetconfServerSessionNegotiatorFactory.java b/opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/NetconfServerSessionNegotiatorFactory.java
index 9106b6ad85ef68ec00e4cbb037c82e1b93047b03..d5a34d11b244681b1540ff95bae22b26ba607670 100644 (file)
--- a/opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/NetconfServerSessionNegotiatorFactory.java
+++ b/opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/NetconfServerSessionNegotiatorFactory.java
@@ -10,8 +10,11 @@ package org.opendaylight.controller.netconf.impl;
 
 import static org.opendaylight.controller.netconf.mapping.api.NetconfOperationProvider.NetconfOperationProviderUtil.getNetconfSessionIdForReporting;
 
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableSet;
 import java.util.Set;
 
+import org.opendaylight.controller.netconf.api.NetconfDocumentedException;
 import org.opendaylight.controller.netconf.api.NetconfServerSessionPreferences;
 import org.opendaylight.controller.netconf.impl.mapping.CapabilityProvider;
 import org.opendaylight.controller.netconf.impl.osgi.SessionMonitoringService;
@@ -28,12 +31,16 @@ import com.google.common.collect.Sets;
 import io.netty.channel.Channel;
 import io.netty.util.Timer;
 import io.netty.util.concurrent.Promise;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public class NetconfServerSessionNegotiatorFactory implements SessionNegotiatorFactory<NetconfHelloMessage, NetconfServerSession, NetconfServerSessionListener> {
 
-    private static final Set<String> DEFAULT_CAPABILITIES = Sets.newHashSet(
-            XmlNetconfConstants.URN_IETF_PARAMS_XML_NS_NETCONF_BASE_1_0,
-            XmlNetconfConstants.URN_IETF_PARAMS_NETCONF_CAPABILITY_EXI_1_0);
+    public static final Set<String> DEFAULT_BASE_CAPABILITIES = ImmutableSet.of(
+            XmlNetconfConstants.URN_IETF_PARAMS_NETCONF_BASE_1_0,
+            XmlNetconfConstants.URN_IETF_PARAMS_NETCONF_BASE_1_1,
+            XmlNetconfConstants.URN_IETF_PARAMS_NETCONF_CAPABILITY_EXI_1_0
+    );
 
     private final Timer timer;
 
@@ -42,16 +49,43 @@ public class NetconfServerSessionNegotiatorFactory implements SessionNegotiatorF
     private final long connectionTimeoutMillis;
     private final DefaultCommitNotificationProducer commitNotificationProducer;
     private final SessionMonitoringService monitoringService;
+    private static final Logger logger = LoggerFactory.getLogger(NetconfServerSessionNegotiatorFactory.class);
+    private final Set<String> baseCapabilities;
 
+    // TODO too many params, refactor
     public NetconfServerSessionNegotiatorFactory(Timer timer, NetconfOperationProvider netconfOperationProvider,
                                                  SessionIdProvider idProvider, long connectionTimeoutMillis,
-                                                 DefaultCommitNotificationProducer commitNot, SessionMonitoringService monitoringService) {
+                                                 DefaultCommitNotificationProducer commitNot,
+                                                 SessionMonitoringService monitoringService) {
+        this(timer, netconfOperationProvider, idProvider, connectionTimeoutMillis, commitNot, monitoringService, DEFAULT_BASE_CAPABILITIES);
+    }
+
+    // TODO too many params, refactor
+    public NetconfServerSessionNegotiatorFactory(Timer timer, NetconfOperationProvider netconfOperationProvider,
+                                                 SessionIdProvider idProvider, long connectionTimeoutMillis,
+                                                 DefaultCommitNotificationProducer commitNot,
+                                                 SessionMonitoringService monitoringService, Set<String> baseCapabilities) {
         this.timer = timer;
         this.netconfOperationProvider = netconfOperationProvider;
         this.idProvider = idProvider;
         this.connectionTimeoutMillis = connectionTimeoutMillis;
         this.commitNotificationProducer = commitNot;
         this.monitoringService = monitoringService;
+        this.baseCapabilities = validateBaseCapabilities(baseCapabilities);
+    }
+
+    private ImmutableSet<String> validateBaseCapabilities(final Set<String> baseCapabilities) {
+        // Check base capabilities to be supported by the server
+        Sets.SetView<String> unknownBaseCaps = Sets.difference(baseCapabilities, DEFAULT_BASE_CAPABILITIES);
+        Preconditions.checkArgument(unknownBaseCaps.isEmpty(),
+                "Base capabilities that will be supported by netconf server have to be subset of %s, unknown base capabilities: %s",
+                DEFAULT_BASE_CAPABILITIES, unknownBaseCaps);
+
+        ImmutableSet.Builder<String> b = ImmutableSet.builder();
+        b.addAll(baseCapabilities);
+        // Base 1.0 capability is supported by default
+        b.add(XmlNetconfConstants.URN_IETF_PARAMS_NETCONF_BASE_1_0);
+        return b.build();
     }
 
     /**
@@ -71,8 +105,14 @@ public class NetconfServerSessionNegotiatorFactory implements SessionNegotiatorF
                 getNetconfSessionIdForReporting(sessionId));
         CapabilityProvider capabilityProvider = new CapabilityProviderImpl(netconfOperationServiceSnapshot);
 
-        NetconfServerSessionPreferences proposal = new NetconfServerSessionPreferences(
-                createHelloMessage(sessionId, capabilityProvider), sessionId);
+        NetconfServerSessionPreferences proposal = null;
+        try {
+            proposal = new NetconfServerSessionPreferences(
+                    createHelloMessage(sessionId, capabilityProvider), sessionId);
+        } catch (NetconfDocumentedException e) {
+            logger.error("Unable to create hello mesage for session {} with capability provider {}", sessionId,capabilityProvider);
+            throw new IllegalStateException(e);
+        }
 
         NetconfServerSessionListenerFactory sessionListenerFactory = new NetconfServerSessionListenerFactory(
                 commitNotificationProducer, monitoringService,
@@ -82,8 +122,8 @@ public class NetconfServerSessionNegotiatorFactory implements SessionNegotiatorF
                 sessionListenerFactory.getSessionListener(), connectionTimeoutMillis);
     }
 
-    private NetconfHelloMessage createHelloMessage(long sessionId, CapabilityProvider capabilityProvider) {
-        return NetconfHelloMessage.createServerHello(Sets.union(capabilityProvider.getCapabilities(), DEFAULT_CAPABILITIES), sessionId);
+    private NetconfHelloMessage createHelloMessage(long sessionId, CapabilityProvider capabilityProvider) throws NetconfDocumentedException {
+        return NetconfHelloMessage.createServerHello(Sets.union(capabilityProvider.getCapabilities(), baseCapabilities), sessionId);
     }
 
 }